Trail Running Calendar East of England 2025-2026

The Zigzag - Windmill Way Wander is a running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a flexible pace and a seven-hour cut-off time. The course features an ou..

The Benfleet 15 is an annual trail race organized by the Benfleet Running Club, celebrating its 34th anniversary in January 2025. This challenging 15-mile multi-terrain course features sections of the Canvey Island sea wall and the undulating Hadleigh Downs, making it a unique and demanding event fo..

The Dark Horse Trail is a self-navigation trail race organized by Essex Trail Events, taking place on January 22, 2025. Participants will navigate a route using a written description provided on the day of the event, as there will be no course markings or marshals. The race covers approximately 5 mi..

The Lavenham 10K Race is a scenic trail running event set in the picturesque medieval village of Lavenham. Participants will navigate a mixed terrain route that includes stretches of footpaths, forest trails, and quiet rural roads, making it an exciting challenge for runners of all abilities. The ra..

The Peddars Way Ultra Marathon is a 48-mile running event that traverses the historic landscapes of Suffolk and Norfolk, starting from Knettishall Heath Nature Reserve and finishing at Holme-next-the-Sea on the Norfolk Coast. This ancient route, once a Pre-Roman trading path and later a Roman road, ..

The Dark Rose is a self-navigation trail race organized by Essex Trail Events, taking place in Great Waltham on February 5, 2025. Participants will navigate a 5.5-mile course using a written route description provided on the day of the event, as there will be no course markings or marshals. The race..

The Cold Norton Charity Winter 10K & Half Marathon Trail Event will take place on February 9, 2025, at Charity Farm in Woodham Ferrers, Essex, supporting Farleigh Hospice. Participants can choose between a 10km or a 13.1-mile route, primarily on grass and paths through the scenic countryside. The ev..

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. Runners will navigate 5km..

The RIOT (Running Is Our Therapy) Run is a unique running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed event, running as far as they can on a 5.3k multi-terrain loop through the scenic forest. This event caters to runners of all leve..

Bit of a Boggle is an 11-mile self-navigation trail run organized by Mid Essex Casuals, taking place on February 16, 2025. Participants will navigate the course without marshals or route markings, following a narrative provided at the start. The route primarily consists of off-road paths, tracks, an..

The Boggle is a self-navigation trail marathon organized by Mid Essex Casuals, taking place on February 16, 2025. Participants can choose to run or walk the course, which is primarily off-road and features footpaths, tracks, and field edges. The event is governed by UK Athletics rules and includes f..

The Aliens V's Trail Runners Moonlight Trails event features both a full marathon and a half marathon set in the scenic Rendlesham Forest. Participants will navigate a 5.3k loop, completing four laps for the half marathon and eight for the full marathon. The course is well-marked, and a checkpoint w..

The Hadleigh Legacy 10k is an award-winning trail race set in Hadleigh Country Park, Essex. Scheduled for 2025, this event features a newly designed single-lap course that promises to challenge participants with tough hills and muddy terrain, while offering stunning views. Organized by Nice Work in ..

The St Peters Way Ultra is a challenging 42-mile running event that traverses the historic countryside of Essex, from Chipping Ongar to the ancient chapel of St Peter-on-the-Wall at Bradwell on Sea. This route, part of an ancient pilgrimage dating back to the 7th century, features scenic landscapes ..

The Smugglers Trail, organized by Essex Trail Events, is a self-navigation trail race taking place on February 23, 2025, in Hullbridge. Participants can choose between two distances: approximately 9.9 miles or 6.6 miles. The event requires runners to follow a written route description provided on th..

The St David's Day Challenge is a unique six-hour running event held at the Suffolk Running Centre. Participants can run as far as they wish within the time limit, with the option to rest between laps. This event caters to runners of all levels, from beginners aiming for their first 5k to experience..

The Stody Estate Trail Run, formerly known as the Hunny Bell Cross Country, features a scenic 8km route through the beautiful Stody Estate in Norfolk. Relaunched in 2024, the event offers three race options: a 4km route for beginners, an 8km for veterans, and a challenging 12km. Participants can enj..

Thunder Races offers an exhilarating trail running experience in Bedfordshire, featuring events designed for all skill levels. Participants can choose from three distances: 10km, 25km, and 50km, all set in the picturesque Harrold-Odell Country Park. The courses primarily traverse scenic woodlands an..

The High Lodge Half Marathon - Spring is a scenic trail running event set in Thetford Forest, taking place in March. This circular route features a mix of hard-packed trails, grassy footpaths, and forest paths, making it suitable for both seasoned runners and newcomers. Participants will enjoy a tra..

The Stow Maries Trail Challenge is a 6-hour trail running event set for March 16, 2025. Participants can choose their own targets, completing as many laps as they wish on a 5K loop that is predominantly off-road, featuring scenic views of the River Crouch. Runners will receive a medal and goodies up..